K 40 - 8 Ohm

Art. No. 2840

4 cm (1.6") miniature speaker with plastic diaphragm (Mylar) and metal basket. Thanks to its very compact dimensions, suitable for signal output in machines and other equipment where space is at a premium.

*) IP protection class for front side when built into a sealed enclosure

Typical applications
Voice and signal output in machines and other equipment both indoors and outdoors

Technical Data

Rated power
1 W
Maximum power
2 W
Nominal impedance Z
8 Ohm
Frequency response
350–6000 Hz
Mean sound pressure level
83 dB (1 W/1 m)
Resonance frequency fs
520 Hz
Voice coil diameter
13.5 mm
Height of winding
1.8 mm
Cutout diameter
36.5 mm
Net weight
0.01 kg
Protective system
IP 65 *)
Temperature range
−40 ... 70 °C
Frequency- and impedance response